Consulting Company Ranking Worlds Top 10


Are you looking for a world-class consulting firm to help you tackle your business challenges? Then look no further! Here, we bring you the world’s top 10 consulting companies, ranked based on the quality of their research, innovation, and service delivery. Let’s take a closer look at what makes each one of these companies unique in the global market.


Consulting is a field that is continuously growing, with a never-ending list of new and fresh companies opening their doors each year. As the industry continues to evolve, there are some consulting companies that have remained steadfast in their excellence, standing out as reliable and innovative companies that offer the highest quality services.

To help you get an idea of who is at the top of the list, here’s our guide to the World’s Top 10 Consulting Companies. We’ve broken down our selection process into criteria like client portfolio, service selection and global presence. If you’re in need of insightful consultation services, these are the professionals you can rely on!

What is Consulting?

Consulting is the practice of offering expert advice and services to businesses, individuals, or organizations. Professional consultants provide expertise and guidance to their clients, helping them foster organizational change, develop solutions to problems, achieve their strategic and operational goals, and improve their overall performance.

The consulting profession has been around for centuries and is a booming industry with high-profile firms such as McKinsey & Company, Deloitte Touch Tohmatsu Limited (Deloitte), Bain & Company, and Ernst & Young (EY) leading the way. To become a successful consultant requires specialized skills, knowledge and experience in a variety of fields including finance, management consulting, technology consulting and strategy consulting.

Highly ranked consulting firms are typically lauded for several key features: top-quality capabilities; excellent client focus; unrivaled expertise in areas like human resources management, organizational development/change management; attractive remuneration packages; strong corporate culture among other things. The global consulting firm ranking typically takes into consideration aspects such as fee revenue – including revenue from total sales personnel cost against total fee income generated – size of clients served by the firm; number of offices across different countries that the firm operates from; number of clients acquired compared with those lost in a given year; reputation among peers; awards won etc. The list for world’s top 10 consultation companies released annually is compiled after intense research by relevant industry or professional bodies.

Benefits of Consulting

For businesses and organizations, the use of a consulting firm can provide a variety of benefits. By connecting with experts in a particular field, companies are provided with experienced insight into their specific situation and goals. This allows for creative solutions that could not be achieved without the knowledge, expertise, and industry connections of the consulting firm.

Businesses seeking to understand best practices in their industry can engage consultants to identify operations that may be inefficient or insufficiently utilizing technology. Through the evaluation process and associated recommendations, consulting firms may help companies reduce costs while simultaneously increasing productivity.

In addition to assisting with tangible projects like technology implementation or restructure of financial operations, consulting firms can also provide valuable assistance when addressing intangible concerns such as corporate culture or stakeholder relationships. Consulting firms provide boards of directors and business owners a sophisticated perspective on their strategy development and execution processes by offering an unbiased view into operations.

From start-up businesses to global Fortune 500 entities, consulting services are scalable to fit any organization’s needs so businesses can receive the expert insights necessary for superior competitive performance without having to manage large teams of internal specialists. Engaging external consultants across functions allows companies agility needed when making decisions which will impact revenue growth or requiring timely adjustments in response to market conditions.

World’s Top 10 Consulting Companies

The list of the world’s top ten consulting companies is compiled on an annual basis by a variety of factors, including revenues, number of employees, executive presence and influence in the industry, client satisfaction levels, reputation and awards. Consulting companies at the top of this highly competitive list have earned their place through a combination of size and quality performance.

Here is the list of the world’s top 10 consulting companies for 2021:

  • Deloitte
  • Accenture
  • PwC (PricewaterhouseCoopers)
  • McKinsey & Company
  • Arthur D. Little
  • EY (Ernst & Young)
  • The Boston Consulting Group (BCG)
  • KPMG International Cooperative (KPMG)
  • Bain & Company
  • IBM Services Global Business Services

Each company has its own unique specialty that sets it apart from its competitors as well as providing services that span multiple industries including banking and finance, energy and resources, health care and life science organisations as well as government agencies. Globally these companies provide services such as technology implementation strategies; risk management analysis; IT implementations and integrations; data intelligence analytics; management consulting; financial advisory services; strategic advisory services; and operations improvement strategy.

If you’re looking to find out more information or hire one of these consulting firms for your business needs then be sure to research a variety of factors such as quality assurance protocols along with customer satisfaction rate guarantees offered by each firm in order to make an informed decision about who will best meet your business’s goals.

Factors Influencing Ranking

The companies which make it to the world’s top 10 ranking for consulting services have consistently displayed strong business performance and financial strength over a period of time. Other factors which contribute to an organization’s ranking include:

  • Client Satisfaction: Companies that serve their clients well in terms of providing tangible results, meeting project deadlines and delivering excellent customer service will score highly on this factor.
  • Innovation: To remain competitive in a changing business environment, organizations must offer something new and fresh to keep their clients engaged. Companies that are able to create innovative approaches or new tools and processes will be highly valued by the market.
  • Successful Projects Completed: Organizations need to show they can deliver projects successfully – on time, within budget and as per the requirements stipulated. Companies that are able to demonstrate a successful track record will be ranked higher on this factor than those who are unable to do so.
  • Global Reach: Consulting firms with operations in multiple countries will be favored by international rankings as they display an ability to handle complex projects across numerous locations with a wide range of currencies, languages and cultures.

Services Offered by Top 10 Companies

The world’s top 10 consulting companies offer a variety of services that range from traditional consulting and strategy to more advanced technological services tailored to customer needs.

For instance, McKinsey & Company is one of the most well-known names in management consulting, and they provide a range of services including:

  • Strategy & Organization
  • Corporate & Business Unit
  • Operations & Logistics
  • Digital Transformation
  • Security & Compliance

Deloitte offers audit, tax and risk management services that help organizations address financial reporting, compliance risks and business performance. Deloitte’s portfolio includes an array of advanced technologies such as Artificial Intelligence, Blockchain and Cloud Computing, as well as Data Analytics services.

Boston Consulting Group (BCG) provides business strategy advice to clients through innovative approaches on issues regarding leadership capabilities, corporate branding, data analysis and technology adoption. Their areas of expertise include market insights, growth opportunities/options evaluation/definition of strategies and customer insights among others.

Accenture is a global professional services company with expertise in digital transformation for clients across industries including banking & financial services communications media & entertainment retail& consumer goods travel& hospitality health care technology infrastructure manufacturing energy& utilities government& public Sector among others. They provide custom-tailored solutions focused on achieving high performance outcomes for their customers ranging from e-commerce platforms to big data management systems.

PricewaterhouseCoopers (PwC) offers core assurance accounting and tax advice as well as comprehensive consulting capabilities such as strategy planning mergers acquisitions legal technology people power culture operations process improvement risk security controls compliance systems transformation identity access cyber security human capital change program management among others.

The other top 10 firms are: KPMG; Ernst& Young; Capgemini; IBM Global Services; Booz Allen Hamilton; Roland Berger Strategy Consultants and Oliver Wyman Group. All these firms offer tailored solutions in various areas such as enterprise technology information security organizational development digital marketing analytics salesforce optimization supply chain optimization process improvement etc., designed to maximize growth opportunities for their clients of all sizes across different industries worldwide.

Challenges Faced by Consulting Companies

The consulting industry has become increasingly crowded in recent years, as more and more companies are competing for market share. It’s difficult for consulting firms to differentiate themselves in a landscape of similar offerings and services, making it challenging to emerge as one of the top players. At the same time, many consulting firms face stiff competition from smaller agencies that can offer lower rates but have fewer resources.

There are various challenges faced by leading consulting companies, ranging from recruiting and retaining top talent to meeting ever-changing client needs in a timely and cost-efficient manner. Companies must also be prepared to rapidly adapt to economic changes or foreseeable disruptions that could negatively affect business operations.

Other common issues facing consulting companies include:

  • Being able to scale quickly enough to maintain profitability.
  • Investing in data analysis and AI-based solutions for better performance.
  • Competing against established players for key projects.
  • Shifting remote work regulations around the world is also a challenge that many high-ranking firms face with regards to both their internal team members as well as their externally hired consultants.


Overall, it is evident that the best consulting companies must have a well-trained and knowledgeable staff, an innovative approach to problem-solving, and global reach. These firms also maintain a commitment to providing exceptional services that can help their clients succeed in their businesses.

To be ranked among the world’s top 10 consulting companies is no easy task. It requires innovation, strategic thinking, hard work, experience, and agility in the face of ever-changing competitive markets.

It is clear that those companies included on this list are top players in their respective segments. They consistently deliver exceptional results for their clients time and time again – leaving no doubt as to why they remain at the forefront of the industry.